Out-of-bounds read in Siemens products - CVE-2025-30174
Published: May 19, 2025
Vulnerability identifier: #VU109417
CSH Severity: High
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-30174
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition in the integrated UMC component. A remote attacker can trigger an out-of-bounds read error and cause a denial of service condition on the system.
Affected software
SIMATIC PCS neo
Totally Integrated Automation Portal (TIA Portal)
User Management Component (UMC)
SINEC NMS
SINEMA Remote Connect
Totally Integrated Automation Portal (TIA Portal)
User Management Component (UMC)
SINEC NMS
SINEMA Remote Connect
How to mitigate CVE-2025-30174
Install updates from vendor's website.
Totally Integrated Automation Portal (TIA Portal) - update to 2.15.1.1
SINEC NMS - update to 2.15.1.1
SINEMA Remote Connect - update to 2.15.1.1
User Management Component (UMC) - update to 2.15.1.1
SINEC NMS - update to 2.15.1.1
SINEMA Remote Connect - update to 2.15.1.1
User Management Component (UMC) - update to 2.15.1.1